2012347637 has 2 divisors, whose sum is σ = 2012347638. Its totient is φ = 2012347636.

The previous prime is 2012347621. The next prime is 2012347651. The reversal of 2012347637 is 7367432102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010535921 + 1811716 = 44839^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012347637 - 2⁴ = 2012347621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012347597 and 2012347606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012347607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006173818 + 1006173819.

It is an arithmetic number, because the mean of its divisors is an integer number (1006173819).

Almost surely, 2^2012347637 is an apocalyptic number.

It is an amenable number.

2012347637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012347637 is an equidigital number, since it uses as much as digits as its factorization.

2012347637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 2012347637 is about 44859.1979085672. The cubic root of 2012347637 is about 1262.5085735065.

Adding to 2012347637 its reverse (7367432102), we get a palindrome (9379779739).

The spelling of 2012347637 in words is "two billion, twelve million, three hundred forty-seven thousand, six hundred thirty-seven".